IP Library Granted Patent US 12,337,581
Granted Patent B2
US 12,337,581 · App. 17/422,442 · Granted Jun 24, 2025

Construction boards with foil-containing facers

Inventors: John B. Letts (Carmel, IN); Jiansheng Tang (Westfield, IN); Michael J. Hubbard (Goshen, IN)
Assignee: Holcim Technology Ltd
B32B5/18B32B5/022B32B7/12B32B29/007B32B29/02E04B1/80E04C2/292E04D3/18B32B2262/101B32B2266/0278B32B2419/00
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Quick Facts
Patent No.
US 12,337,581
App. No.
17/422,442
Granted
Jun 24, 2025
Kind
B2
Abstract

A construction board comprising a foam body said foam body having first and second planar sides. The construction board further comprising a multi-layered facer affixed to said first or second planar side of said foam body. The multi-layered facer including a first foil layer, a first paper layer, a glass fabric layer, a second paper layer, and a second foil layer.

Claims (12)

1. A construction board comprising:

(a) a foam body, said foam body having first and second planar sides; and

(b) a multi-layered facer affixed to said first or second planar side of said foam body, said multi-layered facer including a first foil layer, a first paper layer, a glass fabric layer, a second paper layer and a second foil layer.

2. The construction board of claim 1 , wherein the second foil layer is adjacent the first or second planar side of the foam body.

3. The construction board of claim 1 , wherein the glass fabric layer is sandwiched between the first paper layer and the second paper layer.

4. The construction board of claim 1 , wherein the foam body is selected from the group consisting of polyisocyanurate, polyurethane materials, and mixtures thereof.

5. A construction board comprising:

(a) a foam body, said foam body having first and second planar sides; and

(b) a multi-layered facer affixed to said first or second planar side, said multi-layered facer including a first foil layer, a first glass fabric layer, a paper layer, a second glass fabric layer, and a second foil layer.

6. The construction board of claim 5 , wherein the second foil layer is adjacent the first or second planar side of the foam body.

7. The construction board of claim 5 , wherein the paper layer is sandwiched between the first glass fabric layer and the second glass fabric layer.

8. The construction board of claim 5 , wherein the foam body is selected from the group consisting of polyisocyanurate, polyurethane materials, and mixtures thereof.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 2, 2025
From: HOLCIM TECHNOLOGY LTD
To: AMRIZE TECHNOLOGY SWITZERLAND LLC
Reel/Frame 072795/0105 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 19, 2022
From: FIRESTONE BUILDING PRODUCTS COMPANY, LLC
To: HOLCIM TECHNOLOGY LTD
Reel/Frame 061141/0683 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 12, 2021
From: LETTS, JOHN B.; TANG, JIANSHENG; HUBBARD, MICHAEL J.
To: FIRESTONE BUILDING PRODUCTS COMPANY, LLC
Reel/Frame 056830/0318 →
Continuity (2)
Provisional Application 62794085 · Jan 18, 2019
Related Publication 20220088899A1 · Mar 24, 2022
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